A hybrid photovoltaic/solar chimney seawater desalination plant

2022 Advances in Science and Engineering Technology International Conferences (ASET) Pub Date : 2022-02-21 DOI:10.1109/ASET53988.2022.9735006

M. Tawalbeh, Shima Mohammed Shafie, Shoug Fahad Alshehhi, A. Alnaqbi, A. Al-Othman

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Abstract

A novel configuration of solar chimney-PV-water desalination system is proposed to investigate the feasibility of integrating solar power with freshwater production. The solar collector is composed of transparent PV cells to increase the utilization factor, and the installation of a water basin contributes to the generation of freshwater while enabling the cooling of the PV panel. A case study was developed for a rural community in Sharjah to meet the demand for water and electricity. ANSYS Fluent was used to simulate the steady flow and natural convection problem within the solar chimney. A full parametric study for a conventional solar chimney power plant with integrated transparent PV was simulated to investigate the effects of various parameters on air velocity, mass flow rate, air temperature, and turbine output at 850 W/m2 solar radiation. The results showed that the chimney output and efficiency were positively related to chimney height and collector radius, but negatively related to collector height. An analysis was developed to estimate the amount of evaporated and distilled water from the water pool. The results showed that the addition of the transparent PV system and the water basin increased the utilization factor by 20 times compared to the conventional solar chimney power plant. The results showed that the proposed system could simultaneously generate 761,120 kWh of electricity and 2733 tons of distilled water per year.

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混合光伏/太阳能烟囱海水淡化厂

为了探讨太阳能发电与淡水生产相结合的可行性，提出了一种新型的太阳能烟囱-光伏-海水淡化系统。太阳能集热器由透明的光伏电池组成，以增加利用系数，并且安装了一个水池，有助于产生淡水，同时使光伏板能够冷却。为沙迦的一个农村社区开发了一个案例研究，以满足对水和电的需求。利用ANSYS Fluent软件对太阳能烟囱内部的定常流动和自然对流问题进行了数值模拟。采用全参数模拟方法，研究了在850 W/m2太阳辐射下，不同参数对风速、质量流量、空气温度和涡轮输出功率的影响。结果表明:烟囱产量和效率与烟囱高度和集热器半径呈正相关，与集热器高度呈负相关;进行了一项分析，以估计从水池中蒸发和蒸馏水的数量。结果表明，透明光伏系统和水盆的加入使利用系数比传统太阳能烟囱电站提高了20倍。结果表明，该系统每年可同时产生761120千瓦时的电力和2733吨蒸馏水。

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2022 Advances in Science and Engineering Technology International Conferences (ASET)

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